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Nitecore UMS4 USB Four-Slot USB Fast Charger, for 18650, 21700 Batteries
NITECORE UMS4 Intelligent USB Four-Slot Superb Battery Charger


 
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Price: $38.95


Availability: Usually Ships in 24 Hours
Product Code: CHG-NITE-UMS4


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DESCRIPTION USER MANUAL
 

NITECORE UMS4 At-A-Glance

  • Capable of charing 4 batteries simultaneously & controlling each slot independently
  • Charging speed up to 3,000mA in a single slot
  • Automatically detects battery power level and selects the appropriate voltage & charging mode
  • LCD display shows real time charging information
  • Built in safety protections to prevent short circuits, overcharging, and improperly inserted batteries
  • Compatible with USB adapters, power banks, solar panels and more.

Included in the Box

  • NITECORE USM4 Charger
  • micro USB charging cable

Quick and Efficient Charging

Introducing the NITECORE UMS4 Intelligent USB dual-slot charger designed to recharge your batteries fast, safe and efficiently. The UMS4 will reach a maximum total output of 4000mA when using a 2A output USB power adapter. When the charger is powered or connected to quick charge (QC) power adapter, the screen will show “Quick Charge” and the single slot will achieve a max output of 3000mA.

LCD Display with Real-time Charging Information

A brightly lit LCD display reports real information including battery health, charging time, charged volume, charging current, battery voltage and type, cut-off voltage and charging mode. The UMS4 offers an energy saving function that activates and dims the LCD display in 10 minutes, when there is no action to the buttons or batteries.

Intelligent USB Charging

The UMS4’s intelligent charging technology automatically detects and applies the appropriate charging current/voltage while allows users to manually adjust the charging current/voltage for specialized battery types. The UMS4 supports various battery types (li-ion/imr/lifep04/ni-cd/ni-mh) and common battery sizes including (18650, 16340,14500).

TECHNICAL SPECIFICATIONS

Input DC 5V/2A 12V/1.5A / 18W(MAX)
Output 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1%
Output Current QC Mode 3,000mA*1 (MAX) 2,000mA*2 (MAX) 1,000mA*4 (MAX)
Output Current Standard Mode 2,000mA*1 (MAX) 1,000mA*2 (MAX) 500mA*4 (MAX)
Compatible Battery Types: IMR/Li-ion/LiFePO4 10440, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650, 26700
Compatible Battery Types: Ni-MH/Ni-Cd AA, AAA, AAAA, C, D
Dimensions L-6.26"xW-4.21"xH-1.61"
Weight 9.01oz
NITECORE UMS4 Overview
Average Rating: Average Rating: 4.5 of 5 4.5 of 5 Total Reviews: 35 Write a review »


  0 of 0 people found the following review helpful:
 
5 of 5 July 5, 2021
Reviewer: Thomas Charlton from Loveland, OH United States  


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  0 of 0 people found the following review helpful:
 
5 of 5 Best charger I've ever had June 25, 2021
Reviewer: Christopher Montoya from El paso, TX United States  
First let me start off by saying they have some of the fastest shipping I've seen. I had my order within 2 or 3 days of ordering my battery charger. The UMS4 is probably the best charger I've ever had. I love that ut figures out what charging settings to charge you battery at.

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  0 of 0 people found the following review helpful:
 
5 of 5 Multiple battery charger June 21, 2021
Reviewer: Gerry from Hawaii  
A very innovative and intelligent USB four bank device that is able to charge a variety of lithium ion as well as Ni-MH/Ni-Cd (AA, AAA, C, D) batteries. The bright LCD display provides valuable information as to the charging status of each battery (you can charge multiple batteries of different designs at the same time) as it automatically detects each. The charger is also capable of appropriately determining the battery power level and selecting the appropriate voltage and charging mode thereby eliminating over charging. For a no nonsense charging device, the UMS4 will be a wise investment for a majority of your charging needs that ensures safeguards for your batteries.

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  0 of 0 people found the following review helpful:
 
5 of 5 I was adding a second one. June 4, 2021
Reviewer: Frederic Nott from brooksville, FL United States  
I already have one and wanted to add a backup. I like this charger very much.

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  0 of 0 people found the following review helpful:
 
5 of 5 Charger works!!! April 6, 2021
Reviewer: Anonymous Person  
I tried different batteries in the charger and they were charged to full capacity. The free chargers never got my batteries charged to the max. I highly recommend this fast charger. Give it a try and see what it can do for your batteries!

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